﻿#region Copyright (c) 2003 - 2008, Andreas Mueller
/////////////////////////////////////////////////////////////////////////////////////////
// 
// Copyright (c) 2003 - 2008, Andreas Mueller.
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// which accompanies this distribution, and is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// Contributors:
//    Andreas Mueller - initial API and implementation
//
// 
// This software is derived from software bearing the following
// restrictions:
// 
// Copyright (c) 1994
// Hewlett-Packard Company
// 
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation.  Hewlett-Packard Company makes no
// representations about the suitability of this software for any
// purpose.  It is provided "as is" without express or implied warranty.
// 
// 
// Copyright (c) 1996,1997
// Silicon Graphics Computer Systems, Inc.
// 
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation.  Silicon Graphics makes no
// representations about the suitability of this software for any
// purpose.  It is provided "as is" without express or implied warranty.
// 
// 
// (C) Copyright Nicolai M. Josuttis 1999.
// Permission to copy, use, modify, sell and distribute this software
// is granted provided this copyright notice appears in all copies.
// This software is provided "as is" without express or implied
// warranty, and with no claim as to its suitability for any purpose.
// 
/////////////////////////////////////////////////////////////////////////////////////////
#endregion


using NUnit.Framework;
using System.Collections.Generic;
using NUnit.Framework.SyntaxHelpers;
using NStl.Iterators;

namespace NStl.NUnit.Support
{
    public abstract class RangeFixture<T>
    {
        private IRange<T> range;
        [SetUp]
        public void SetUp()
        {
            range = CreateRange();
        }
        protected abstract IRange<T> CreateRange();
        [Test]
        public void BeginIsNotEqualToEndIterator()
        {
            Assert.That(range.Begin(), Is.Not.EqualTo(range.End()));
        }
        [Test]
        public void Iterate()
        {
            List<T> clone = new List<T>();
            Algorithm.Copy(range.Begin(), range.End(), NStlUtil.BackInserter(clone));

            Assert.That(clone, Is.EqualTo(range));
            Assert.That(clone, Is.Not.Empty);
        }

        [Test]
        public void BeginReturnsNotNull()
        {
            Assert.That(range.Begin(), Is.Not.Null);
        }
        [Test]
        public void BeginReturnsDifferenIterator()
        {
            IInputIterator<T> b1 = range.Begin();
            IInputIterator<T> b2 = range.Begin();

            Assert.That(b1, Is.EqualTo(b2));
            Assert.That(b1, Is.Not.SameAs(b2));
        }
        [Test]
        public void EndReturnsNotNull()
        {
            Assert.That(range.End(), Is.Not.Null);
        }
        [Test]
        public void EndReturnsDifferenIterator()
        {
            IInputIterator<T> b1 = range.End();
            IInputIterator<T> b2 = range.End();

            Assert.That(b1, Is.EqualTo(b2));
            Assert.That(b1, Is.Not.SameAs(b2));
        }
    }
}
